Table 6.

Correlation of biochemical indices with dietary Fe, Zn and Cu in all control and diabetic subjects

Parameter		Dietary Fe		Dietary Zn		Dietary Cu		Dietary Cu/Zn
		r	p	r	p	r	p	r	p
FSG	Control	0.129	ns	0.099	ns	0.288	ns	0.310	ns
	Diabetic	− 0.119	ns	0.075	ns	0.158	ns	− 0.003	ns
Insulin	Control	0.100	ns	0.116	ns	0.337	ns	0.280	ns
	Diabetic	− 0.105	ns	0.322	ns	− 0.287	ns	− 0.497	0.026
HbA1c	Control	0.222	ns	0.203	ns	0.269	ns	0.315	ns
	Diabetic	− 0.490	0.028	− 0.056	ns	− 0.264	ns	− 0.218	ns
HOMA-IR	Control	0.180	ns	0.175	ns	0.494	0.026	0.363	0.048
	Diabetic	− 0.188	ns	0.298	ns	− 0.125	ns	− 0.415	ns
T-CHOL	Control	− 0.145	ns	− 0.152	ns	− 0.000	ns	− 0.039	ns
	Diabetic	0.046	ns	0.116	ns	0.202	ns	0.128	ns
TAG	Control	− 0.203	ns	− 0.178	ns	− 0.160	ns	0.214	ns
	Diabetic	0.051	ns	0.135	ns	0.090	ns	− 0.065	ns

FSG fasting serum glucose concentration, HbA1c glycated haemoglobin, HOMA-IR homeostasis model assessment for insulin resistance, T-CHOL total cholesterol concentration, TAG triacylglycerol concentration, r Spearman’s rank correlation coefficient, p probability value for correlation, ns non-significant